Illustrative Mathematics 6th Grade Unit 3 Review

Front

What is the formula to calculate the percentage of a part compared to a whole?

Back

Percentage = (Part / Whole) × 100

Front

If there are 15 pieces of fruit and 6 are apples, what percentage of the fruit are apples?

Back

40%

Front

How do you round a percentage to the nearest whole number?

Back

Look at the decimal: if it's 0.5 or higher, round up; if it's less than 0.5, round down.

Front

If 29 out of 30 students passed a test, what percentage passed?

Back

97%

Front

What is the relationship between distance, speed, and time?

Back

Distance = Speed × Time

Front

If Lin's family has traveled 35 miles and this is 70% of their trip, how do you find the total distance?

Back

Total Distance = 35 miles / 0.7 = 50 miles

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing the relative sizes of two or more values.

Front

In the ratio of hotel floors to office floors to residential floors (3:8:21), how many hotel floors are there in a building with 128 floors?

Back

12 floors

Front

How do you calculate the total number of parts in a ratio?

Back

Add the parts of the ratio together.

Front

What is the speed of a ship that travels 25 miles in one hour?

Back

25 miles per hour